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1. (WO1991007646) METHOD AND APPARATUS FOR DETERMINING PARTICLE SIZE DISTRIBUTION AND CONCENTRATION IN A SUSPENSION USING ULTRASONICS
Latest bibliographic data on file with the International Bureau

Pub. No.: WO/1991/007646 International Application No.: PCT/US1990/006469
Publication Date: 30.05.1991 International Filing Date: 13.11.1990
Chapter 2 Demand Filed: 28.05.1991
IPC:
G01N 15/02 (2006.01) ,G01N 29/032 (2006.01)
G PHYSICS
01
MEASURING; TESTING
N
INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
15
Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
02
Investigating particle size or size distribution
G PHYSICS
01
MEASURING; TESTING
N
INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
29
Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
02
Analysing fluids
032
by measuring attenuation of acoustic waves
Applicants:
E.I. DU PONT DE NEMOURS AND COMPANY [US/US]; 1007 Market Street Wilmington, DE 19898, US
Inventors:
ALBA, Felix; US
Agent:
OBEE, Jane, E. ; E.I. du Pont de Nemours and Company Legal Department 1007 Market Street Wilmington, DE 19898, US
Priority Data:
436,15313.11.1989US
Title (EN) METHOD AND APPARATUS FOR DETERMINING PARTICLE SIZE DISTRIBUTION AND CONCENTRATION IN A SUSPENSION USING ULTRASONICS
(FR) PROCEDE ET APPAREIL POUR DETERMINER LA REPARTITION GRANULOMETRIQUE ET LA CONCENTRATION DANS UNE SUSPENSION EN UTILISANT DES ULTRASONS
Abstract:
(EN) Not furnished.
(FR) Non communiqué.
front page image
Designated States: BR, JP, KR
European Patent Office (AT, BE, CH, DE, DK, ES, FR, GB, GR, IT, LU, NL, SE)
Publication Language: English (EN)
Filing Language: English (EN)
Also published as:
EP0605409JPH04502156JPH04505368